38121344616 has 32 divisors (see below), whose sum is σ = 96146760960. Its totient is φ = 12594661632.

The previous prime is 38121344603. The next prime is 38121344669. The reversal of 38121344616 is 61644312183.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7025560 + ... + 7030983.

It is an arithmetic number, because the mean of its divisors is an integer number (3004586280).

Almost surely, 2^38121344616 is an apocalyptic number.

It is an amenable number.

38121344616 is an abundant number, since it is smaller than the sum of its proper divisors (58025416344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38121344616 is a wasteful number, since it uses less digits than its factorization.

38121344616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14056665 (or 14056661 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

Adding to 38121344616 its reverse (61644312183), we get a palindrome (99765656799).

The spelling of 38121344616 in words is "thirty-eight billion, one hundred twenty-one million, three hundred forty-four thousand, six hundred sixteen".